When Kentucky Gun Co sent the Diamondback FS Nine for testing, I also requested to borrow an H&R Handi-Rifle in 300 Blackout (review in the works). Unfortunately, there’s nothing chambered…

There are problems with the 5.56x45mm NATO round, especially out of short barreled guns — mainly that it’s loud and underpowered compared to what the enemy is using. Many have…